package com.sky.controller.admin;


import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Update;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    @Cacheable(cacheNames = "dishCache",key = "#dishDTO.categoryId")
    public Result<String> save(@RequestBody DishDTO dishDTO){

        dishService.saveWithFlavor(dishDTO);

        // 清理缓存
//        String key = "dish_" + dishDTO.getCategoryId();
//        cleanCache(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){

        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);

        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result delete(@RequestParam List<Long> ids){

        dishService.deleteById(ids);

        // 清理缓存
//        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 修改状态
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("修改状态")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result startOrStop(@PathVariable Integer status,Long id ){
        dishService.startOrStop(status,id);

        // 清理缓存
//        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据菜品id查询菜品和口味
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("查询菜品和口味")
    public Result<DishVO> getById(@PathVariable Long id){

        return Result.success(dishService.getByIdAndFlavor(id));
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result update(@RequestBody DishDTO dishDTO ){

        dishService.update(dishDTO);

        // 清理缓存
//        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 清理缓存
     * @param pattern
     */
//    private void cleanCache(String pattern){
//        Set keys = redisTemplate.keys(pattern);
//
//        redisTemplate.delete(keys);
//    }
}
